LOS ANGELES (thefutoncritic.com) -- ABC plans to give viewers a refresher course on three of its top series as one-hour recaps of "Desperate Housewives," "Grey's Anatomy" and "Lost" are all set to air the week leading up to the start of the May sweeps period.

The news marks the third such special for both "Housewives" and "Lost," and the second for "Anatomy."

"Desperate Housewives: The More You Know, The Juicier It Gets" and "Grey's Anatomy: Under Pressure" are set to air on Sunday, April 23 in the shows' regular time periods of 9:00/8:00c and 10:00/9:00c respectively. "Lost: Reckoning" then will fill the 9:00/8:00c slot on Wednesday, April 26.